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  1. Mass of MgCl2: (insert answer)Mass of NaBr: (insert answer) Mass of H2O: (insert answer)
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  2. Which option is an ionic compound?Responses CO upper case C O NO2 upper case N O subscript 2 end subscript LiCl upper case L
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  3. Which formula is an ionic compound?Responses N2 upper case N subscript 2 end subscript NO2 upper case N O subscript 2 end
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  4. Zn + CuSO4 → ZnSO4 + Cu\Zinc (Zn) reacts with copper sulfate (CuSO4) to form zinc sulfate (ZnSO4) and copper (Cu). A classmate
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  5. H2(g) + I2(g) → 2HI(g)A student makes the following statements: Hydrogen always has the same oxidation number, so it has an
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    2. 1135500 asked by 1135500
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  6. Fe ⁺³(aq) + SCN ⁻¹(aq) ⇆ FeSCN ⁺²(aq) + heatBased on the reaction above, which way will the equilibrium shift if a
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  7. FeCI3 + 3H2O → Fe(OH)3 + 3HCIElement : Fe, CI, H, O Mass of an Atom (amu) : 56, 35, 1, 16 Iron chloride and water react
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  8. Will the following replacement reaction occur?MgI2+Cl2 → ? (1 point) Responses No, it will not because iodine and chlorine
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    2. pickles asked by pickles
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  9. Which comparison is correct?(1 point) Responses PH3 is a stronger acid than NH3 . cap p cap h sub 3 is a stronger acid than cap
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  10. Which substances will make a salt when combined?Group of answer choices Fertilizer and detergent Vinegar and antacids Soap and
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  11. Which description is not a property of a base?Group of answer choices Caustic Turns litmus paper red Bitter taste pH higher than
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  12. Which option contains an example of a polyatomic ion?(1 point)Responses O2 O 2 MgCl MgCl KNO3 KNO 3 CaCl2 CaCl 2
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  13. The formula for citric acid, found in lemon juice, is CH2COOH. For each symbol, identify the element and the number of atoms
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  14. Question 13 (4.5 points)Draw the Structure for each of the following names. a. 1-chloro butane-2,3-dione b. N,N- diethyl-2-bromo
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  15. 1. __ZnS + __HCl → __ZnCl2 + __H2S2. __HCl + __Cr → __CrCl2 + __H2 3. __Al + __Fe3O4 → __Al2O3 + __Fe 4. __H2 + __Br2 →
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  16. 1. __ZnS + __HCl → __ZnCl2 + __H2S2. __HCl + __Cr → __CrCl2 + __H2 3. __Al + __Fe3O4 → __Al2O3 + __Fe 4. __H2 + __Br2 →
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  17. Zn + HNOg -> Zn(NO3)2 +H2Using the formula in the previous question, what coefficient needs to be changed? 2HNO₃ 3HNO₃ ,
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  18. Use the equation to answer the question.CH4 + _____Cl2 → CCl4 + _____HCl Which numbers balance this equation? (1 point)
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  19. 1. CBr4Name: Polarity: 2. BH3 Name: Polarity: 3. SO4-2 Name: Polarity: 4. BrI5 Name: Polarity: 5. SiS2 Name: Polarity: VSEPR
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  20. Question 13In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 6H2O. Choose
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  21. answer this to where a teacher couldn't tell you wrote itUse the chemical equation to complete the activity.
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  22. Fill out the missing information below.Molecule Name PCl3 Carbon tetrachloride N2O Diphosphorus pentoxide P2O7 Dinitrogen
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  23. Write the molecules:20. dinitrogen pentahydride 21. tetraboron heptoxide 22. silicon monocarbide 23. dicarbon hexahydride 24.
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  24. Write the name for the following compounds and watch your spelling!1. SCl2 __________________________________________ 2. PI3
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    2. sda asked by sda
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